Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.685,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.795,
    "seller_misidentification_probability": 0.495,
    "confidence": 0.895,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 47.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather shoulder\/crossbody handbag with a top zipper and detachable strap.",
        "photo 6: interior shows a small fabric tag, but its text is not legible and it is not visibly a Coach creed."
    ],
    "negative_evidence": [
        "photo 1: glossy burgundy eel-skin\/exotic-style pieced leather is inconsistent with the smooth glove-tanned leather typical of classic vintage Coach.",
        "photos 1-5: no visible Coach wordmark, horse-and-carriage mark, leather hangtag, or Coach-style turnlock.",
        "photo 4: zipper-top construction and visible zipper hardware do not resemble the classic Coach turnlock silhouettes emphasized for vintage Coach bags.",
        "photo 6: the interior is burgundy suede-like fabric with an interior zip pocket; no readable Coach creed patch is visible.",
        "seller states the bag is made in Korea; this supports a non-Coach Korean-made bag and would be inconsistent with many 1970s-80s Coach styles.",
        "seller description identifies eel skin and Korean manufacture, with no claim or evidence of Coach branding.",
        "photo 1-4: glossy pieced eel skin leather, not Coach glove-tanned cowhide",
        "photo 1,5: gold-tone zip-top hardware with D-rings and clips, no solid-brass turnlock geometry",
        "photo 6: burgundy suede-like lining with small fabric tag, no leather creed patch on back wall or slip pocket",
        "photo 1-6: no COACH wordmark, horse-and-carriage, or leather hangtag visible",
        "seller states made in Korea - 'Made in Korea' on vintage-styled bag is classic fake marker per skill"
    ],
    "missing_information": [
        "A straight-on close-up of the interior fabric tag and any other labels.",
        "A close-up of every zipper pull and hardware marking.",
        "Clear photos of the interior zip pocket, bottom corners, and strap attachment points.",
        "Confirmation of the actual manufacture date and any brand name printed on the small interior tag.",
        "No creed patch shown in any photo - photo 6 shows interior without Coach creed",
        "No Coach wordmark, hangtag, or hardware stamp visible - request close-ups if Coach claimed",
        "No bottom\/corner close-ups for full condition grading"
    ],
    "authenticity_concerns": [
        "No Coach identifiers are visible in the supplied photos, so the bag is best treated as a generic Korean eel-skin handbag rather than a Coach candidate.",
        "The glossy pieced eel-skin construction, zipper-top silhouette, and lined interior are inconsistent with the classic unlined glove-tanned Coach styles most likely to be misidentified in vintage listings."
    ],
    "possible_model_reasoning": [
        "The silhouette is a generic rectangular zip-top shoulder bag and does not closely match a listed vintage Coach classic such as Willis, Court, Station, or Dinky.",
        "No Coach style number, creed, hangtag, wordmark, or recognizable Coach closure is visible.",
        "Condition: Good; exterior shows creasing and age\/use, while photo 6 shows a tear or hole in the interior lining. Strap and hardware function are not fully verifiable from photos.",
        "No Coach model fits: zip-top eel-skin shoulder bag with gold-tone hardware and fabric tag is inconsistent with 1970s-1990s glove-tanned classics, unlined suede interior, and solid-brass turnlock construction",
        "Era reasoning: materials, silhouette and Made in Korea point to 1980s-1990s Korean eel-skin production, non-Coach",
        "Condition: Good; exterior glossy with natural creasing per photos 1-3, interior lining tear in photo 6, strap shows wear in photo 5"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1 and photos 3-5: gold-tone rings, clips, and zipper hardware are visible; no Coach engraving is legible. No turnlock is visible.",
        "leather_description": "photos 1-3: glossy burgundy\/wine-red leather with narrow vertical pieced panels and prominent linear texture, consistent with the seller-described eel skin.",
        "lining_description": "photo 6: burgundy suede-like or fabric lining with an interior zip pocket; one area of lining damage\/tear is visible.",
        "strap_construction": "photos 1 and 5: narrow matching burgundy shoulder\/crossbody strap attached with gold-tone swivel clips; strap appears creased with at least one loose thread visible.",
        "stitching_description": "photos 1-5: visible panel and edge stitching appears generally straight, though the resolution does not support a detailed stitch-quality assessment."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0319,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.72,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.87,
                "seller_misidentification_probability": 0.96,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather shoulder\/crossbody handbag with a top zipper and detachable strap.",
                    "photo 6: interior shows a small fabric tag, but its text is not legible and it is not visibly a Coach creed."
                ],
                "negative_evidence": [
                    "photo 1: glossy burgundy eel-skin\/exotic-style pieced leather is inconsistent with the smooth glove-tanned leather typical of classic vintage Coach.",
                    "photos 1-5: no visible Coach wordmark, horse-and-carriage mark, leather hangtag, or Coach-style turnlock.",
                    "photo 4: zipper-top construction and visible zipper hardware do not resemble the classic Coach turnlock silhouettes emphasized for vintage Coach bags.",
                    "photo 6: the interior is burgundy suede-like fabric with an interior zip pocket; no readable Coach creed patch is visible.",
                    "seller states the bag is made in Korea; this supports a non-Coach Korean-made bag and would be inconsistent with many 1970s-80s Coach styles.",
                    "seller description identifies eel skin and Korean manufacture, with no claim or evidence of Coach branding."
                ],
                "missing_information": [
                    "A straight-on close-up of the interior fabric tag and any other labels.",
                    "A close-up of every zipper pull and hardware marking.",
                    "Clear photos of the interior zip pocket, bottom corners, and strap attachment points.",
                    "Confirmation of the actual manufacture date and any brand name printed on the small interior tag."
                ],
                "authenticity_concerns": [
                    "No Coach identifiers are visible in the supplied photos, so the bag is best treated as a generic Korean eel-skin handbag rather than a Coach candidate.",
                    "The glossy pieced eel-skin construction, zipper-top silhouette, and lined interior are inconsistent with the classic unlined glove-tanned Coach styles most likely to be misidentified in vintage listings."
                ],
                "observed_features": {
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": false,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": false,
                    "turnlock_present": false,
                    "hangtag_present": false,
                    "hardware_description": "photo 1 and photos 3-5: gold-tone rings, clips, and zipper hardware are visible; no Coach engraving is legible. No turnlock is visible.",
                    "leather_description": "photos 1-3: glossy burgundy\/wine-red leather with narrow vertical pieced panels and prominent linear texture, consistent with the seller-described eel skin.",
                    "lining_description": "photo 6: burgundy suede-like or fabric lining with an interior zip pocket; one area of lining damage\/tear is visible.",
                    "strap_construction": "photos 1 and 5: narrow matching burgundy shoulder\/crossbody strap attached with gold-tone swivel clips; strap appears creased with at least one loose thread visible.",
                    "stitching_description": "photos 1-5: visible panel and edge stitching appears generally straight, though the resolution does not support a detailed stitch-quality assessment."
                },
                "possible_model_reasoning": [
                    "The silhouette is a generic rectangular zip-top shoulder bag and does not closely match a listed vintage Coach classic such as Willis, Court, Station, or Dinky.",
                    "No Coach style number, creed, hangtag, wordmark, or recognizable Coach closure is visible.",
                    "Condition: Good; exterior shows creasing and age\/use, while photo 6 shows a tear or hole in the interior lining. Strap and hardware function are not fully verifiable from photos."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.72,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch shown in any photo - photo 6 shows interior without Coach creed",
                    "No Coach wordmark, hangtag, or hardware stamp visible - request close-ups if Coach claimed",
                    "No bottom\/corner close-ups for full condition grading"
                ],
                "negative_evidence": [
                    "photo 1-4: glossy pieced eel skin leather, not Coach glove-tanned cowhide",
                    "photo 1,5: gold-tone zip-top hardware with D-rings and clips, no solid-brass turnlock geometry",
                    "photo 6: burgundy suede-like lining with small fabric tag, no leather creed patch on back wall or slip pocket",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, or leather hangtag visible",
                    "seller states made in Korea - 'Made in Korea' on vintage-styled bag is classic fake marker per skill"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone zipper closure on top, D-rings and swivel clips for strap; plated appearance, not solid vintage brass; no COACH stamping visible",
                    "leather_description": "glossy burgundy\/wine eel skin with vertical pieced panels and liquid-like finish; exotic leather, not glove-tanned cowhide",
                    "lining_description": "coordinating burgundy suede-like lining with interior zip pocket; small light fabric tag visible in photo 6; hole\/tear noted by seller",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - seams obscured by gloss and distance, no contrast assessment possible",
                    "strap_construction": "thin detachable shoulder\/crossbody strap in matching burgundy with metal clips, approx 34 in per seller",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top eel-skin shoulder bag with gold-tone hardware and fabric tag is inconsistent with 1970s-1990s glove-tanned classics, unlined suede interior, and solid-brass turnlock construction",
                    "Era reasoning: materials, silhouette and Made in Korea point to 1980s-1990s Korean eel-skin production, non-Coach",
                    "Condition: Good; exterior glossy with natural creasing per photos 1-3, interior lining tear in photo 6, strap shows wear in photo 5"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.65
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18300,
            "output_tokens": 907,
            "total_tokens": 19207,
            "estimated_cost_usd": 0.009497
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18860,
            "output_tokens": 1326,
            "total_tokens": 20186,
            "estimated_cost_usd": 0.004833
        }
    ]
}